| Business | Phone |
| Vindee Industries 965 Lambrecht Dr, Frankfort 60423 | (815) 469-3300 |
| Chicago Fab Equipment 20754 S Birchwood Ln, Frankfort 60423 | (815) 464-0443 |
| Hoffman Metal Fabricators Inc 9309 Gulfstream Rd, Frankfort 60423 | (815) 469-8593 |
| Minnotte Manufacturing Corp 8651 W Lincoln Hwy, Frankfort 60423 | (815) 464-9790 |
| Mace Iron Works 221 Industry Ave, Frankfort 60423 | (708) 479-2456 |